iperf - A TCP, UDP, and SCTP network bandwidth measurement tool
benchmark.js - A benchmarking library that supports high-resolution timers & returns statistically significant results.
JPerf - This project gives a better UI and new functionalities to the initial JPerf 1.
Flent - The FLExible Network Tester
TamoSoft Throughput Test - TamoSoft Throughput Test is a utility for testing the performance of a wireless or wired network.
netperf - Netperf is a benchmark that can be used to measure the performance of many different types of networking. It provides tests for both unidirectional throughput, and end-to-end latency. - HewlettPack...